#pragma once

#include <iostream>
#include <string>
#include <errno.h>
#include <cstring>
#include <unistd.h>
#include <cassert>
#include <pthread.h>
#include <memory>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include "Log.hpp"

class Sock
{
private:
    const static int gbacklog = 20; // 一般不能太大，也不能太小


public:
    Sock(){} 
    int Socket()
    {
        // 1.创建socket——进程和文件
        int listensock = socket(AF_INET, SOCK_STREAM, 0); // AF_INET网络通信，SOCK_STREAM流式套接
        if (listensock < 0)
        {
            logMessage(FATAL, "create socket error,%d:%s", errno, strerror(errno));
            exit(2);
        }
        logMessage(NORMAL, "creat socket success,listensock:%d", listensock); // 3
        return listensock;
    }
    void Bind(int sock, uint16_t port, std::string ip = "0.0.0.0")
    {
        struct sockaddr_in local;
        memset(&local, 0, sizeof(local));
        local.sin_family = AF_INET;
        local.sin_port = htons(port); // 主机转网络
        // local.sin_addr.s_addr=_ip.empty()?INADDR_ANY:inet_addr(_ip.c_str());
        inet_pton(AF_INET, ip.c_str(), &local.sin_addr);
        if (bind(sock, (struct sockaddr *)&local, sizeof(local)) < 0)
        {
            logMessage(FATAL, "bind error,%d:%s", errno, strerror(errno));
            exit(3);
        }
    }
    void Listen(int sock)
    {
        if (listen(sock, gbacklog) < 0)
        {
            logMessage(FATAL, "listen error,%d:%s", errno, strerror(errno));
            exit(4);
        }
        logMessage(NORMAL, "init server success");
    }
    // 一般而言
    // const stdLLstring & 输入型参数
    // std::string * 输出型参数
    // std::string & 输入输出型参数
    int Accept(int listensock, std::string *ip, uint16_t* port)
    {
        struct sockaddr_in src;
        socklen_t len = sizeof(src);
        int servicesock = accept(listensock, (struct sockaddr *)&src, &len);
        if (servicesock < 0)
        {
            logMessage(ERROR, "accept error.%d:%s", errno, strerror(errno));
            return -1;
        }
        if (port)
            *port = ntohs(src.sin_port); // 网络转主机
        if (ip)
            *ip = inet_ntoa(src.sin_addr);
        return servicesock;
    }
    bool Connect(int sock,const std::string &server_ip,const uint16_t &server_port)
    {
        struct sockaddr_in server;
        memset(&server,0,sizeof(server));
        server.sin_family=AF_INET;
        server.sin_port=htons(server_port);
        server.sin_addr.s_addr=inet_addr(server_ip.c_str());

        if(connect(sock,(struct sockaddr*)&server,sizeof(server))==0)return true;
        else return false;
    }
    ~Sock() {}
};